Weather in Potomac, MD
Updated 2026-08-11 13:30 local time · ZIP codes 20854
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
81°3% rain91°3% rain92°3% rain
87°6% rain
88°10% rain89°2% rain86°2% rain81°3% rain
79°4% rain78°4% rain77°5% rain75°5% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 15%).
It feels like 84°F with winds near 8 mph.
81°F, 3% rain chance and 3 mph wind.
Visibility is around 10 mi; gusts may reach 26 mph.
Current temperature is 81°F, wind 8 mph, rain chance up to 15%.
UV index is 7. Sunscreen, shade and protective clothing are recommended.
Potomac weather today
Sunny and 81°F in Potomac, MD. Today's high is 92°F with a 57% rain chance. Winds are around 8 mph with gusts near 9 mph. Relative humidity is 70%, pressure is 29.97 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Potomac
Sunrise is at 06:18 AM and sunset is at 08:09 PM. Tomorrow's forecast calls for Sunny with a high near 89°F and a low near 69°F. The maximum rain chance is 6%.